2272758156 has 96 divisors (see below), whose sum is σ = 6210086400. Its totient is φ = 717393600.

The previous prime is 2272758151. The next prime is 2272758181. The reversal of 2272758156 is 6518572722.

2272758156 is a `hidden beast` number, since 227 + 275 + 8 + 156 = 666.

2272758156 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2272758151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246355 + ... + 255413.

It is an arithmetic number, because the mean of its divisors is an integer number (64688400).

Almost surely, 2^2272758156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272758156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3105043200).

2272758156 is an abundant number, since it is smaller than the sum of its proper divisors (3937328244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2272758156 is a wasteful number, since it uses less digits than its factorization.

2272758156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196 (or 9188 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 2272758156 is about 47673.4533676762. The cubic root of 2272758156 is about 1314.7739024404.

The spelling of 2272758156 in words is "two billion, two hundred seventy-two million, seven hundred fifty-eight thousand, one hundred fifty-six".